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Code Issues Releases Activity

OP-238 PIOS/SPI: Decrease pin clock rate from 50 to 10 Mhz. Since data at

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1.125 MHz this should slow down the slew rates

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2361 ebee16cc-31ac-478f-84a7-5cbb03baadba
This commit is contained in:
peabody124 2011-01-09 20:49:46 +00:00 committed by peabody124
parent 5734e1f437
commit e393000c34
2 changed files with 12 additions and 16 deletions
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20
flight/AHRS/pios_board.c
View File

@ -35,10 +35,8 @@
* .rodata section (ie. Flash) rather than in the .bss section (RAM).
*/
void PIOS_SPI_op_irq_handler(void);
void DMA1_Channel5_IRQHandler()
__attribute__ ((alias("PIOS_SPI_op_irq_handler")));
void DMA1_Channel4_IRQHandler()
__attribute__ ((alias("PIOS_SPI_op_irq_handler")));
void DMA1_Channel5_IRQHandler() __attribute__ ((alias("PIOS_SPI_op_irq_handler")));
void DMA1_Channel4_IRQHandler() __attribute__ ((alias("PIOS_SPI_op_irq_handler")));
static const struct pios_spi_cfg pios_spi_op_cfg = {
.regs = SPI2,
.init = {
@ -62,8 +60,7 @@ static const struct pios_spi_cfg pios_spi_op_cfg = {
DMA1_FLAG_GL4),
.init = {
.NVIC_IRQChannel = DMA1_Channel4_IRQn,
.NVIC_IRQChannelPreemptionPriority =
PIOS_IRQ_PRIO_HIGH,
.NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH,
.NVIC_IRQChannelSubPriority = 0,
.NVIC_IRQChannelCmd = ENABLE,
},
@ -110,7 +107,7 @@ static const struct pios_spi_cfg pios_spi_op_cfg = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_12,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_IN_FLOATING,
},
},
@ -118,7 +115,7 @@ static const struct pios_spi_cfg pios_spi_op_cfg = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_13,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_IN_FLOATING,
},
},
@ -126,7 +123,7 @@ static const struct pios_spi_cfg pios_spi_op_cfg = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_14,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_AF_PP,
},
},
@ -134,7 +131,7 @@ static const struct pios_spi_cfg pios_spi_op_cfg = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_15,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_IN_FLOATING,
},
},
@ -187,8 +184,7 @@ const struct pios_usart_cfg pios_usart_aux_cfg = {
.handler = PIOS_USART_aux_irq_handler,
.init = {
.NVIC_IRQChannel = USART3_IRQn,
.NVIC_IRQChannelPreemptionPriority =
PIOS_IRQ_PRIO_HIGH,
.NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH,
.NVIC_IRQChannelSubPriority = 0,
.NVIC_IRQChannelCmd = ENABLE,
},

8
flight/OpenPilot/System/pios_board.c
View File

@ -252,7 +252,7 @@ const struct pios_spi_cfg pios_spi_ahrs_cfg = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_12,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_Out_PP,
},
},
@ -260,7 +260,7 @@ const struct pios_spi_cfg pios_spi_ahrs_cfg = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_13,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_AF_PP,
},
},
@ -268,7 +268,7 @@ const struct pios_spi_cfg pios_spi_ahrs_cfg = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_14,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_IN_FLOATING,
},
},
@ -276,7 +276,7 @@ const struct pios_spi_cfg pios_spi_ahrs_cfg = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_15,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Speed = GPIO_Speed_10MHz,
.GPIO_Mode = GPIO_Mode_AF_PP,
},
},